Finding the Fourth Proportional to 274,248.20, 411,372.30 and 96,753.80
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Solution
The fourth proportional to 274,248.20, 411,372.30 and 96,753.80 is: 145,130.70
Step by Step Solution
- Step 1: Write the proportion equation
274,248.20 : 411,372.30 = 96,753.80 : x - Step 2: Convert to fraction form
274,248.20/411,372.30 = 96,753.80/x - Step 3: Cross multiply
274,248.20x = 411,372.30 × 96,753.80 - Step 4: Simplify right side
274,248.20x = 39,801,833,239.74 - Step 5: Solve for x
x = 39,801,833,239.74/274,248.20 - Step 6: Final answer
x = 145,130.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.